Home / 18,141,119.83-25,034,780.06-9,881,156.58

Finding the Fourth Proportional to 18,141,119.83, 25,034,780.06 and 9,881,156.58

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Solution

The fourth proportional to 18,141,119.83, 25,034,780.06 and 9,881,156.58 is: 13,636,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141,119.83 : 25,034,780.06 = 9,881,156.58 : x
  2. Step 2: Convert to fraction form
    18,141,119.83/25,034,780.06 = 9,881,156.58/x
  3. Step 3: Cross multiply
    18,141,119.83x = 25,034,780.06 × 9,881,156.58
  4. Step 4: Simplify right side
    18,141,119.83x = 247,372,581,718,721.78
  5. Step 5: Solve for x
    x = 247,372,581,718,721.78/18,141,119.83
  6. Step 6: Final answer
    x = 13,636,014.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.